Sniper Grunt 4.2" Pistol Length Keymod Free Float Handguard for AR-15 and AR Pistols. SKU: MKARA42
Pistol Length CNC machined Aluminum Handguard with Picatinny Top Rail and Keymod slots. Black anodized. Comes with steel barrel nut and hex wrench. Barrel nut uses a regular 30mm crows foot type wrench, not included. Weighs only 6.6 oz with barrel nut.
These will fit AR-15 uppers. Therefore they will also fit AR Pistol builds that have AR-15 upper barrel nut threading such as the 300 Blackout and the AR-9.